Appliance for delivering gaseous liquids



W. R. TATE. APPLIANCE FOR DELIVERING GASEOUS LIQUIDS.'

APPLICATION FILED 0CT. 20| 1920.

Patented Apr. 11, 1922.

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UNITED STATES WILLIAM RAMAGE TATE, OF RIPPONLEA, NEAR MELBOURNE, VICTORIA, AUSTRALIA.

APPLIANCE FOR DELIVERING GASEOUS LIQUIDS.

Specication of Letters Patent.

Patented Apr. 11, 1922.

Application filed October 20, 1920. Serial No. 418,292.

Z 1o all w 700m: t may concern Be it known that' I, VILLIAM RAMAGE TATE, a citizen of the Commonwealth of Australia, and residing at 1 Myrtle Street, Ripponlea, near Melbourne, in the State of Victoria, Commonwealth of Australia, have invented certain new and useful Improvements in Appliances for Delivering Gaseous Liquids, of' which the following is a specification.

This invention has been devised in order to simplify the delivery apparatus and more i effectively deliver 'the gaseous liquids contained therein at a uniform pressure.

Hitherto no effective and simple means have been employed wherebyv gaseous liquid in a container capable of' discharging the whole or part of its contents has been so controlled that the pressure of' gas is evenly maintained until the last of' the liquid content has been withdrawn.

By the means at present in use the first discharge of liquid is lgiven at full pressure but subsequently -owing to gas leakage through the discharge, as in siphons, the liquid becomes flatand remains so until the Siphon or container is recharged.

This invention has been devised in order to overcome this defect and to provide mechanism combined with a Siphon or other gaseous liquid container whereby on each withdrawal of liquid vcontent from the container, the gas pressure on the. liquid is replenished from the gas reservoir disposed within the container, the Vvalve mechanism being so arranged that immediately the pressure in the gas reservoir and the outer container is equalized, the control valve closes and does not reopen until the gas pressure in the liquid container is reduced by the withdrawal of liquid, when the gas supply valve is automatically reopened by the pressure Vof a spring on a diaphragm controlling the valve and the gas flows under pressureV into the liquid container until the gas pressure in the gas reservoir and the liquid container is equalized at which period the downward or opening pressure of the spring is overcome and the valve is closed, thus creating the condition that in lieu of an excess of effervescence on the rst withdrawal of the liquid content an even discharge is given throughout the withdrawal of the whole liquid content of the container.

The essential characteristic embodied in this invention is the combination and arrangement of' the mechanical parts constructed and operating for the purposes specified.

In order that the invention may be more readily understood it will now 'be described with reference to the accompanying drawing wherein the invention is adapted lto a well known construction 0f' delivery siphon.

The drawing shows the appliance in section.

According to this invention, the container 1 formed of glass orother suitable material is fitted with the usual siphon delivery tube 2, vthe top of' which is normally closed by a vvalve 3 disposed between the tube 2 and the delivery7 spoilt 4. The valve 3 is normally held to its seat 5 by a spring 6 disposed around the stem 7 between the valve 3 and the partit-ionS in the tubular casing 9, the top of which is closed by a cap 10.

The stem 7 is extended past the partition 8 and connects the usual control lever 11 provided with the usual finger pressure piece.4

Arranged within the container 1 is a gas reservoir 12 the top of which is closed by the base 13 of a gas chamber 14 disposed in the path of the gas between the gas reservoir 12 and the container 1, a suitable gastight oint being made by the washer 15 of rubber or other suitable material.

The mem-ber 16 of the gas chamber 1l threads as at 17 to Ythe gas reservoir 12 and Jis jointedby the washer 18 to the top or neck 19 of the container 1, and is further held by the ring 20 threading as at 21 to the flange 22.

This member 16 is formed with a circular' ledge 23 receiving the diaphragm 24: which is held firmly in posit-ion by the top member 25 threading on the lower member 16.

The member 25 is domed or provided with a tubular extension 26 internally and externally threaded, the outer thread receiving the cover or cap 27 while the adjustable nut 29 bears upon the inner surface of the cap 27. The nut 29 bears upon a spring 30 which is adapted to exert pressure on the diaphragm 24 by'means of the spring 30, and the cap 27 may be adjusted so as to vary the compression of' the said spring.

This spring 30 is disposed around the stem 31 connecting' at its lower end with the disc 32 seating on the diaphragm 2l while the up )er end of the stem 3l passes vertically and loosely through the nut 29 which acts as a guide.

iVithin the gas chamber '14 and resting against the underside of the diaphragm 24 is a disc 33 between Which and the base 13 of the gas chamber 14 is a helical spring The spring 34 is disposed so as to exert upward pressure against the 'disc 33 and the valve stem 35 passes through the gas passage 36 in the base 13 and this gas passage 36 is common to both the gas reservoir 12 and the gas chamber 14.

Thebottom of the gas passage 36 is normally closed by a valve 37threaded or otherwise connected to? the stem 35 and this valve Y n 37 is recessed as'at 38 to receive the rubber washer '39 which eiiectually makes a gas tight joint when the valve is closed over the gas passage 36 and it will be readily understood that the bush 53 may be recessed to seat the top portion of the rubber washer 39 it desired. rl`he spring 34 therefore having an upward pressure and the pressure in the gas reservoir 12, this maintains the valve 37 closed and consequently no gasY can pass trom the gas reservoir 12 .to the gas chamber 14 until the 'gas pressure in the container' 1 is reduced and the spring 3() acting against the diaphragm 24 causes the latter to move downwardly at its centre and the valve 37 is thus opened andthe gas iiows 'from the gas reservoir 12 past 'the valve 37 through the gas passage 36 into the gas chamber 14 and from thence has an unobstructed path through the pathway 40 into the container 1.

Immediately the gas pressure in the container 1 and the gas reservoir 12 is equalized, the diaphragm 24 returns to normal position helped by the spring 34 and the valve 37 closes against its'seat` and remainsclosed until the gas pressure in the container 1 is reduced by the withdrawal of liquid content caused on the operation of the lever 11 and the cycle is then repeated.

To till the gas reservoir 12, the member 25 and diaphragm 24 is removed and a suitable adapter iitted to the threaded portion 52 ot the nut 51 and when pressure is applied, the valve 37 opens and gas is fed to the reservoir 12. When sutiiciently charged the valve 37 automatically closes and the adapter is removed, the parts 24 and 25 refitted and the apparatus is ready for, use;

The 'diaphragm 24 may be fastened if desired in which case, it would beppreferable to affix the same to the top member 25 for convenience in recharging thegas reservoir 12.

Apparatus constructed and arranged and serving the functions above described ,will be ot' great utility in all forms of delivering gaseous liquids and the members 16, 25 and parts connected therewith may be disposed horizontally desired without departing from the spirit and scope oi the invention.

W hat l claim as my invention and desire to secure by Letters Patent is--V In appliances for .delivering aerated liquids, a liquid containeiga gas chamber communicating with the container, a gais reser- "voir,v a bush having screw-threaded engagement with the base of the said chamber and having a passage providing communication between the said chamber and the reservoir, a threaded extension on the bush for attac-hment ot a re-charging nozzle, a valve seat .toi-med on the end of the bush, diaphragm in the gas chamber, a control valve engag ing said seat` a valve stem connecting the valve withV the diaphragm, and means for delivering Vthe aerated liquid from the container, the mechanism being allV connected vto the liquid container by a singlecasting.

` Signed at li'llelboiirne in the State of Victoria, and Commonwealth of Australia, this 16th day ot August A. D. 1920.

WLLlAlVI. RAMAG-E TATE, 

